void TemperatureUnit_Impl::operator/=(const Unit& rUnit) {
Unit_Impl::operator/=(rUnit);
OptionalTemperatureUnit rTUnit = rUnit.optionalCast<TemperatureUnit>();
if (!isAbsolute() && rTUnit && rTUnit->isAbsolute()) {
setAsAbsolute();
}
}
void Quantity::setAsRelative() {
OptionalTemperatureUnit tu = m_units.optionalCast<TemperatureUnit>();
if(!tu) {
LOG_AND_THROW("Could not Quantity::setAsRelative for quantity " << *this
<< " because it is in system " << system().valueName() << ", not Celsius or Fahrenheit.");
}
tu->setAsRelative();
}
bool Quantity::isAbsolute() const {
OptionalTemperatureUnit tu = m_units.optionalCast<TemperatureUnit>();
if(!tu) {
LOG_AND_THROW("Could not evaluate Quantity::isAbsolute for quantity " << *this
<< " because it is in system " << system().valueName() << ", not Celsius or Fahrenheit.");
}
return tu->isAbsolute();
}
Quantity dot(OSQuantityVector lVector, const OSQuantityVector& rVector) {
Unit lUnits(lVector.units()), rUnits(rVector.units());
OptionalTemperatureUnit ltu = lUnits.optionalCast<TemperatureUnit>();
OptionalTemperatureUnit rtu = rUnits.optionalCast<TemperatureUnit>();
Unit resultUnits;
if (ltu && rtu) {
resultUnits = ltu.get() * rtu.get();
}
else {
resultUnits = lUnits * rUnits;
}
ScaleOpReturnType resultScale = lVector.scale() * rVector.scale();
lVector *= resultScale.second;
DoubleVector lValues(lVector.values()), rValues(rVector.values());
double resultValue = dot(createVector(lValues),createVector(rValues));
return Quantity(resultValue,resultUnits);
}
